#test case 1
./Grades 25 25
#expected Fail
#observed Pass

#test case 2
./Grades 101 106
#expected Invalid input
#observed nothing.

#test case 3
./Grades 96 30
#expected  Compoinent fail			
#observed fail

#test case 4
./Grades 100 100
#expected pass with distinction
#observed nothing

#test case 5
./Grades 23 64
#expected Compoinent fail
#observed pass

#test case 6
./Grades 
#expected invalid output
#observed fail
